Implement "Change username" feature
Increase max-width of food-tray to 17em

Increase max-width of food-tray to 17em to allow for scrollbar when necessary.
#3633 - Attributes order
add dataTool link to tavern.jade

adds dataTool link, step 2 for https://github.com/HabitRPG/habitrpg/issues/3649
feat(mystery): mystery items 062014
Merge pull request #3653 from wc0/patch-1

add dataTool link to tavern.jade
perf(achievements): bindonce on achievements
refactor(bosses): DRY bosses so we can share code between tavern boss &
party boss
feat(dilatory): model updates for tavern bosses
feat(bosses): add limit-break for bosses
feat(dilatory): load tavern boss on each cron, removing caching for now (was too buggy)
feat(dilatory): scene damage + boss def/str. bug fixes, tests
perf(bosses): bindonce for some quest bindings
Merge pull request #3644 from yafinee/stats_order

#3633 - Attributes order
Merge pull request #3638 from robeden/develop

Increase max-width of food-tray to 17em
fix(dilatory): misc chat fixes for better formatting of neglect strikes
add list of moderators to top of Tavern chat
perf(groups): bindonce on guild listings for better performance guild
page. This requires refreshing when making changes to guilds. Fixes #3663
Merge pull request #3661 from Alys/moderators

add list of moderators to top of Tavern chat
feat(chat): dynamic list of tavern mods (see http://goo.gl/9XhIZ6)